Finding the Fourth Proportional to 9,414,324.06, 12,991,959.05 and 5,284,652.96
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Solution
The fourth proportional to 9,414,324.06, 12,991,959.05 and 5,284,652.96 is: 7,292,928.78
Step by Step Solution
- Step 1: Write the proportion equation
9,414,324.06 : 12,991,959.05 = 5,284,652.96 : x - Step 2: Convert to fraction form
9,414,324.06/12,991,959.05 = 5,284,652.96/x - Step 3: Cross multiply
9,414,324.06x = 12,991,959.05 × 5,284,652.96 - Step 4: Simplify right side
9,414,324.06x = 68,657,994,849,781.29 - Step 5: Solve for x
x = 68,657,994,849,781.29/9,414,324.06 - Step 6: Final answer
x = 7,292,928.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.